Home / 89,178.90-133,768.60-22,619.08

Finding the Fourth Proportional to 89,178.90, 133,768.60 and 22,619.08

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Solution

The fourth proportional to 89,178.90, 133,768.60 and 22,619.08 is: 33,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,178.90 : 133,768.60 = 22,619.08 : x
  2. Step 2: Convert to fraction form
    89,178.90/133,768.60 = 22,619.08/x
  3. Step 3: Cross multiply
    89,178.90x = 133,768.60 × 22,619.08
  4. Step 4: Simplify right side
    89,178.90x = 3,025,722,664.89
  5. Step 5: Solve for x
    x = 3,025,722,664.89/89,178.90
  6. Step 6: Final answer
    x = 33,928.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.